Home / 45,095.27-67,641.35-11,815.07

Finding the Fourth Proportional to 45,095.27, 67,641.35 and 11,815.07

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Solution

The fourth proportional to 45,095.27, 67,641.35 and 11,815.07 is: 17,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,095.27 : 67,641.35 = 11,815.07 : x
  2. Step 2: Convert to fraction form
    45,095.27/67,641.35 = 11,815.07/x
  3. Step 3: Cross multiply
    45,095.27x = 67,641.35 × 11,815.07
  4. Step 4: Simplify right side
    45,095.27x = 799,186,887.86
  5. Step 5: Solve for x
    x = 799,186,887.86/45,095.27
  6. Step 6: Final answer
    x = 17,722.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.